code: def test_interval_dtype_from_pandas(subtype, closed):
      expect = cudf.IntervalDtype(subtype, closed=closed)
      pd_type = pd.IntervalDtype(subtype, closed=closed)
      got = cudf.IntervalDtype.from_pandas(pd_type)
      assert expect == got
  
imports: import numpy
  import pandas
  import pyarrow
  import pytest
  import cudf
  from cudf.core._compat import PANDAS_GE_150
  from cudf.core.column import ColumnBase
  from cudf.core.dtypes import CategoricalDtype, Decimal32Dtype, Decimal64Dtype, Decimal128Dtype, IntervalDtype, ListDtype, StructDtype
  from cudf.testing._utils import assert_eq
  from cudf.utils.dtypes import np_to_pa_dtype
label_desc: Use image node_id 15 for calling a global function with example usage: test_interval_dtype_from_pandas(subtype, closed) without return types